<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    文本:<input type="text" placeholder="请输入用户名。。" /> <br/>
    密码:<input type="text" placeholder="请输入密码。。" /> <br/>
</body>
</html>